Results According to 2-DUS and CDUS images,we found the diseases in the submaxillary gland were as follows:17 cases were with mixed tumors;3 with submaxillaritis;

• 结果颌下腺表皮样癌1例,颌下腺混合瘤17例,慢性颌下腺炎3例,颌下腺结石2例,颌下腺淋巴结核1例。